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Table 1 Characteristics of the patients

From: TNF inhibitors appear to inhibit disease progression and improve outcome in Takayasu arteritis; an observational, population-based time trend study

 

Total cohort

Population cohort

Referral cohort

Year of diagnosis

1999 or earlier

2000 onwards

Patients, n (%)

97

78

19

25(26)

72(74)

Female, n (%)

86 (89)

69 (93)

17 (89)

24 (96)

62 (86)

Caucasian, n (%)

77 (79)

59 (80)

15 (79)

21 (84)

56 (78)

Asian, n (%)

12 (12)

  

4 (16)

8 (11)

African, n (%)

7 (7)

  

0 (0)

7 (10)

Age at onset, mean (SD)

28.8 (13)

30.4 (14)

26.3 (11)

27.3 (12)a

29.2 (13)b

Age at diagnosis, mean (SD)

33.9 (15)

33.9 (15)

32.6 (14)

29.3 (13)

34.4 (15)

Age <16 years at onset, n (%)

12 (12)

  

4 (16)

8 (11)

Age <41 years at onset, n (%)

76 (78)

58 (74)

18 (95)*

21 (93)

55 (77)

Age >50 years at onset, n (%)

11 (11)

8 (11)

1 (5)

2 (8)

9 (13)

Follow up time (years), mean (SD)

11.7 (12)

  

27.5 (13)

6.2 (3)

Deceased (by end of 2013), n (%)

9 (9)

5 (6)

4 (21)*

9 (38)

0 (0)

Disease onset 1999 or earlier, n (%)

39 (42)

    

Disease onset from 2000 onwards, n (%)

55 (58)

    
  1. aAvailable in 16 patients. bAvailable in 68 patients. *p < 0.05 for the referral compared to the population cohort